Display screen or portion thereof with icon



FIG. 1 is a front image of a display screen or portion thereof with icon showing my new design; and,

FIG. 2 is a front view of another embodiment of a display screen or portion thereof with icon showing my new design.

The broken lines are for environmental purposes only and form no part of the claimed design. 

CLAIM I claim, the ornamental design for a display screen or portion thereof with icon, as shown and described. 